Part of speech:
A phrase used repeatedly, as in advertising or promotion:
(Historical) The first word of a book page, printed in the lower right-hand corner of the preceding page to catch the binder's eye
To reaffirm the establishment of (a reservation or advance arrangement).
To make more certain the validity of; confirm; bolster; support
To make (a check, etc.) payable to another person by thus signing one's name and specifying the payee
To show or indicate by a mark or marks
To close or fasten with a seal:
To engage by written contract; sign on
(Obs., Mil.) A special password used only by certain authorized persons
Find another word for countersign. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for countersign, like: password, watchword, slogan, catchword, motto, authorize, certify, confirm, corroborate, endorse and mark.